Shimano's 105 ST-5800 levers now feature the same light yet positive shift action that is found in the higher end Dura-Ace and Ultegra levers.

The shape of the new 105 levers have also changed from previous models and instead now have a similar shape to Shimano's more expensive groups with shorter shift strokes that deliver what Shimano calls ''lightest and easiest front shifting Shimano has ever made''. The lever is fully adjustable to accommodate different hand sizes via a 10mm screw-type reach adjustment.

Braking isn't ignored of course, and the power and feel of the braking has been improved, especially when riding on the hoods. In conjunction with a new polymer coated cable set, the whole setup is smooth and reliable.

Shimano's new 105 (5800 series) adopts key features of the earlier introduced race proven groupsets Dura-Ace and Ultegra and brings it to cycling enthusiats for every day training. The main new features are an 11-speed drivetrain that shifts more precise and lighter than ever, improved brake power and better control on the bike.

Shimano’s new 105 gives the widest range of road riders the opportunity to ride a groupset that is inspired by professional riders. Whether it is for everyday riding or longer rides & climbs on the weekend.

The ST-RS685 lever, intended for use with the hydraulic brake that Shimano launched last year, is billed as a significant step in broadening the appeal of disc braking for road cyclists. It is compatible with existing Dura-Ace and Ultegra groups, as well as the new iteration of 105.

The iconic four arm crank trickled down from Dura-Ace to the new 105 gives the best power transfer and balance between stiffness and lightweight. It also has one bolt circle diameter for compact and traditional double chainsets which means one crankarm fits all chainring sizes. The chainrings are available in 34, 36, 39, 50, 52 and 53 teeth. The 11-speed cassette provides small gear steps that optimize rhythm and cadence control and is available in: 12-25, 11-28, 11-32. The chain is treated with Shimano’s SIL-TEC coating to run smoother and wear longer in all conditions.

A new high-arch brake caliper can accommodate wider tyres (up to 28c) and three 11-speed cassette options and various chainset ratios give you plenty of options depending on what style of riding you are doing.